Melanie Pinola

This Ikea bookcase does a neat trick: It glows, with ten different color sets and six animation modes you can change with the tap of your foot.

The secret sauce behind the "ExpeditInvaders" is an Arduino board. Neophob.com's michu installed the two strands of LED modules on his shelves, connected the LED modules to the board, and hot-glued an old PS2 keyboard to the bottom of the bookcase for controlling the show with your feet.

The custom lighting and animation means you can really set the mood for a room. (Dance party!)